Fiddle with and Render insensitive

Fiddle with verb - To handle thoughtlessly, ignorantly, or mischievously.

Render insensitive and fiddle with are semantically related. In some cases you can use "Render insensitive" instead a verb "Fiddle with".

Fiddle with and render insensitive are semantically related. Sometimes you can use "Fiddle with" instead a verb phrase "Render insensitive".